Autor: Bob Pflugfelder

Wsparcie
„Science Bob” Pflugfelder is an elementary school teacher based in Newton, Massachusetts. Steve Hockensmith writes mysteries in Alameda, California. Their previous collaborations include Nick and Tesla”s High-Voltage Danger Lab, Nick and Tesla”s Robot Army Rampage, and Nick and Tesla”s Secret Agent Gadget Battle.




8 Ebooki wg Bob Pflugfelder